On the left side of the equation is one or more response variables, Y. On the right hand side is one or more predictor variables, X, and their coefficients, B. X, the variables on the right hand side can have many forms and are called by many names.
Subscribe to our Digestive Health e-newsletter to stay up to date on digestive health topics. The exact cause of ulcerative colitis remains unknown. Previously, diet and stress were suspected, but now doctors know that these factors may aggravate but don't cause ulcerative colitis.One possible cause is an immune system malfunction.reviously, diet and stress were suspected, but now doctors know that these factors may aggravate but don't cause ulcerative colitis.
For patients who have been in a remission of their colitis symptoms, this inflammation causes a re-occurrence of symptoms, also referred to as a flare. Stress and the Autoimmune System. Cytokines are released in the fight or flight response. Through cytokines, ulcerative colitis can be directly linked to stress.These molecules cause the production of inflammatory mediators, as well as nitric oxide. With these actions alone, cytokines cause direct injury to the mucosa in the digestive system and tissue damage.hrough cytokines, ulcerative colitis can be directly linked to stress. These molecules cause the production of inflammatory mediators, as well as nitric oxide. With these actions alone, cytokines cause direct injury to the mucosa in the digestive system and tissue damage.